#081F2B
Closest named color: Rich Black (#0D1B2A). oklch(22.7% 0.037 234.4), rgb(8, 31, 43).
Aa
White text reads best on this color (16.91:1).
About this color
#081F2B is a very dark, muted blue. In OKLCH its lightness is 23%, its chroma 0.037 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.015 away. White text reads best on it, at 16.91:1.
| Hue family | Blues |
| Lightness | very dark (23%) |
| Chroma | muted (0.037) |
| Temperature | cool |
| Nearest name | Rich Black (#0D1B2A) |
| Black text | 1.24:1 |
| White text | 16.91:1 |
Values
| HEX | #081F2B |
| RGB | rgb(8, 31, 43) |
| HSL | hsl(201, 69%, 10%) |
| OKLCH | oklch(22.7% 0.037 234.4) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #081F2B | 16.91:1 | AAA | Lc -106.1 | Preferred for body text |
| Black text on #081F2B | 1.24:1 | Fails | Lc 0.0 | Not readable |
| #081F2B text on white | 16.91:1 | AAA | Lc 103.7 | Preferred for body text |
| #081F2B text on black | 1.24:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2EBF1
oklch(93.5% 0.013 236.6)
-
Step 200
200
#CADCE7
oklch(88.4% 0.025 234.5)
-
Step 300
300
#A6C6D9
oklch(80.9% 0.044 234.1)
-
Step 400
400
#75A8C6
oklch(70.7% 0.07 234.9)
-
Step 500
500
#4D92B8
oklch(63% 0.09 234.8)
-
Step 600
600
#2D7CA4
oklch(55.6% 0.098 234.7)
-
Step 700
700
#1E688C
oklch(49% 0.091 234.6)
-
Step 800
800
#1C5572
oklch(42.7% 0.075 234.9)
-
Step 900
900
#1E465C
oklch(37.6% 0.059 235.4)
-
Step 950
950 (this color)
#081F2B
oklch(22.7% 0.037 234.4)
#081F2B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #191F2C | 0.023 |
| Deuteranopia (no green cones) | #141B2B | 0.020 |
| Tritanopia (no blue cones) | #002223 | 0.024 |
| Achromatopsia (no color) | #1D1D1D | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #081F2B
#081F2B
oklch(22.7% 0.037 234.4)
- #2A170B
#2A170B
oklch(22.7% 0.037 52.1)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #081F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rich Black #0D1B2A ΔE 0.015
- Dark #1B2431 ΔE 0.034
- Jet #212529 ΔE 0.044
- Oxford Blue #1B263B ΔE 0.046
- Rich Navy #001219 ΔE 0.059
- Navy Blue #001146 ΔE 0.074
- Almost Black #070D0D ΔE 0.081
- Space Cadet #2B2D42 ΔE 0.083
Use #081F2B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.